2453909

Information

• Patent Grant
• 2453909

• References
• Source

• Patent Number

  2,453,909

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1948
  76 years ago

• CPC

  • G06G1/0089 - for calculating taxes
  • B43K29/093 - with calculators

• US Classifications

  • 235 - Registers
  • 040 - Card, picture, or sign exhibiting